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Joseph Decaisne (7 March 1807 – January 1882) was a French botanist and agronomist. Although born in Brussels, Belgium, he exercised his activity exclusively in Paris. He entered in 1824 as a gardener at the ''Muséum national d'histoire naturelle'' (French museum of natural history) and became, in 1832, head of the ''carré des semis'' section. He also worked at the ''Jardin des Plantes'' and collaborated with Asa Gray. He became an ''aide-naturaliste'' to Adrien-Henri de Jussieu (1797-1853), who served as the chair of rural botany. It was during this time that he began to study plants brought back by various travelers like those of Victor Jacquemont (1801-1832) from Asia. He used applied research, most notably on the agronomy of the madder, the yam and the ramie. He was also interested in algae. In 1850, Decaisne followed Charles-François Brisseau de Mirbel (1776-1854) as the chair of horticulture at the Museum. In 1854 he participated in the creation of the ''Société botanique de France''. The genera ''Decaisnea'' Hook.f. & Thomson (Lardizabalaceae), ''Decaisnea'' Brongn. syn. of ''Prescottia'' Lindl. and ''Decaisnea'' Lindl. syn. of ''Tropidia'' Lindl. (Orchidaceae), were named in his honour. He died in Paris in January 1882. == Contributions to plant taxonomy== He described the following genera of flowering plants: ''Capanea'' and ''Chrysothemis'' of the Gesneriaceae family; ''Sautiera'' (Acanthaceae); ''Lepinia'', ''Rhazya'' (Apocynaceae); ''Vancouveria'' (with C.Morren) (Berberidaceae); ''Ostryopsis'' (Betulaceae); ''Dipterygium'' (Capparidaceae); ''Brassaiopsis'', ''Cuphocarpus'' *, ''Dendropanax'' *, ''Didymopanax'' *, ''Fatsia'' *, ''Oreopanax'' *, ''Stilbocarpa'' *, ( * with Planch.) (Araliaceae); ''Berneuxia'' (Diapensiaceae); ''Scyphogyne'' (Ericaceae); ''Akebia'', ''Boquila'' (Lardizabalaceae); ''Galtonia'' (Liliaceae s. l. or Hyacinthaceae); ''Treculia'' Decne. ex Trecul (Moraceae; ''Camptotheca'' (Nyssaceae or Cornaceae); ''Ephippiandra'' (Monimiaceae); ''Pseudais'' (Thymelaeaceae); ''Allardia'', ''Lecocarpus'', ''Wollastonia'' DC. ex Decne. (Asteraceae); ''Gymnotheca'' (Saururaceae); ''Bougueria'' (Plantaginaceae); ''Docynia'' (Rosaceae); ''Seetzenia'' R.Br. ex Decne.(Zygophyllaceae); ''Deherainia'' (Theophrastaceae); ''Lopholepis'' (Poaceae); ''Asterostemma'', ''Atherandra'', ''Baeolepis'' Decne. ex Moq., ''Barjonia'', ''Blepharodon'', ''Calostigma'', ''Camptocarpus'', ''Decabelone'', ''Decanema'', ''Dictyanthus'', ''Glossonema'', ''Gongronema'' (Endl.) Decne., ''Harpanema'', ''Hemipogon'', ''Hoodia'' Sweet ex Decne., ''Ibatia'', ''Macropetalum'' Burch. ex Decne., ''Melinia'', ''Mitostigma'', ''Nautonia'', ''Nephradenia'', ''Orthosia'', ''Pentopetia'', ''Peplonia'', ''Periglossum'', ''Pherotrichis'', ''Polystemma'', ''Ptycanthera'', ''Pycnoneurum'', ''Pycnostelma'' Bunge ex Decne., ''Rhyssostelma'', ''Riocreuxia'', ''Tacazzea'', ''Tassadia'', ''Trichosandra'' ( Asclepiadaceae or Apocynaceae s. l.); ''Amorphophallus'' Blume ex Decne. (Araceae) and ''Leptopus'' (Euphorbiaceae s. l. or Phyllanthaceae). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Joseph Decaisne」の詳細全文を読む スポンサード リンク
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